mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-15 07:27:32 +01:00
52 lines
1.6 KiB
Go
52 lines
1.6 KiB
Go
// Copyright 2020 The Ebiten Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package graphicscommand
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/hajimehoshi/ebiten/v2/internal/thread"
|
|
)
|
|
|
|
var theRenderThread thread.Thread = thread.NewNoopThread()
|
|
|
|
// SetOSThreadAsRenderThread sets an OS thread as rendering thread e.g. for OpenGL.
|
|
func SetOSThreadAsRenderThread() {
|
|
theRenderThread = thread.NewOSThread()
|
|
}
|
|
|
|
func LoopRenderThread(ctx context.Context) {
|
|
_ = theRenderThread.Loop(ctx)
|
|
}
|
|
|
|
// runOnRenderThread calls f on the rendering thread.
|
|
func runOnRenderThread(f func(), sync bool) {
|
|
if sync {
|
|
theRenderThread.Call(f)
|
|
return
|
|
}
|
|
|
|
// As the current thread doesn't have a capacity in a channel,
|
|
// CallAsync should block when the previously-queued task is not executed yet.
|
|
// This blocking is expected as double-buffering is used.
|
|
theRenderThread.CallAsync(f)
|
|
}
|
|
|
|
func Terminate() {
|
|
// Post a task to the render thread to ensure all the queued functions are executed.
|
|
// This is necessary especially for GLFW. glfw.Terminate will remove the context and any graphics calls after that will be invalidated.
|
|
theRenderThread.Call(func() {})
|
|
}
|